Weak decays of the B_c meson to B_s and B mesons in the relativistic quark model

Abstract

Semileptonic and nonleptonic decays of the B_c meson to B_s and B mesons, caused by the c\to s,d quark transitions, are studied in the framework of the relativistic quark model. The heavy quark expansion in inverse powers of the active c and spectator \bar b quark is used to simplify calculations while the final s and d quarks in the B_s and B mesons are treated relativistically. The decay form factors are explicitly expressed through the overlap integrals of the meson wave functions in the whole accessible kinematical range. The obtained results are compared with the predictions of other approaches.

24 pages, 12 figures, version to appear in Eur. Phys. J. C

References in corpus (1)

• Properties of heavy quarkonia and B_c mesons in the relativistic quark model

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